Will HTML eventually include a syntax for image spriting?

My knowledge of the latest CSS updates is a bit outdated, so I thought it was worth inquiring;

The <img> tag is typically written as <img src="/url.png" />, with auto or specified height and width. While I appreciate CSS sprites for their faster load times, I find writing all that CSS tedious. Is there, or will there ever be, a syntax like 

<img src="/url.png" Xpx Ypx />
, where X/Y represents a location shift similar to CSS's background-position?

I acknowledge that this approach could be awkward due to image dimensions scaling in HTML (versus cropping like a div with a background image).

Is this feasible, or am I just looking for shortcuts?

htmlcssbackground-imageimage

Answer №1

It's hard to fathom that ever becoming a reality, and even if it did, you'd likely encounter the typical cross-browser compatibility problems for quite some time. Fortunately, there are many resources available that can assist in generating CSS/coordinates for you - such as SpriteCow.

Answer №2

Currently, HTML does not offer a solution for that particular issue.

If you have a 1-pixel transparent gif or png available, you can apply inline CSS to the image tag like this:

<img style="background: url(/url.png) -Xpx -Ypx;" src="/1pix.gif" />

Make sure to set the width and height of the image element so the sprite background shows up.

To avoid using a separate transparent image file, you can embed it directly in the <img> tag as a data URL:

8-bit PNG

<img style="background: url(/url.png) -Xpx -Ypx;" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAMAAAAoyzS7AAAABlBMVEX///8AAABVwtN%2BAAAAAXRS%0ATlMAQObYZgAAAApJREFUCB1jYAAAAAIAAc/INeUAAAAASUVORK5CYII%3D%0A">

GIF (smaller)

<img style="background: url(/url.png) -Xpx -Ypx;" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw%3D%3D%0A">

(Check out http://jsfiddle.net/r727j/1/)

However, keep in mind that this approach may lead to some messiness, and there's no guarantee that the data URL will function properly in IE 6.

Answer №3

Sprites are commonly utilized to merge numerous small images into a single large image. This method is employed to enhance loading efficiency and conserve bandwidth, as well as maintain organization within your website.

illustration

{background-position:0px -143px;} /* any value */

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